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餐前刷牙英国牙科专家新近提出,龋齿的形成主要是牙垢与食物中的糖分发生化学反应,形成酸性物质腐蚀牙齿的结果。当人进餐后,牙垢与食物中的糖分迅速发生化学反应,酸性物质已经形成,再刷牙为时已晚。只有在饭前将牙垢去除,才能有效减少酸性物质的形成,保护牙齿健康。另外,进餐后形成的酸性物质可使牙齿表面的保护层松动,此时刷牙极易将这一层保护层刷掉,对牙齿造成更大的
Pre-meal brushing British dental experts recently suggested that the formation of dental caries is mainly caused by the chemical reaction of tartar with the sugar in food, the formation of acid corrosive teeth as a result. When people eat, tartar and food in the rapid chemical reaction of sugar, acidic substances have been formed, then brushing teeth is too late. Tartar removal only before meals, in order to effectively reduce the formation of acidic substances to protect the health of the teeth. In addition, the acid formed after eating can make the protective layer of the tooth surface loose, brushing at this time is easy to brush off this layer of protective layer, causing greater teeth